[PATCH v2 2/2] arm64: dts: ti: k3-am64: Add GPIO expander on I2C0

From: Roger Quadros
Date: Sat Sep 23 2023 - 04:01:46 EST


A TCA9554 GPIO expander is present on I2C0. Add it.

Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index b4a1f73d4fb1..3dccc597f516 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -392,6 +392,15 @@ &main_i2c0 {
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;

+ gpio@38 {
+ /* TCA9554 */
+ compatible = "nxp,pca9554";
+ reg = <0x38>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "HSE_DETECT";
+ };
+
eeprom@50 {
/* AT24CM01 */
compatible = "atmel,24c1024";
--
2.34.1